{"calculation_version":"2026-10-10.1","forecast_source":"none","night_date":"2028-02-25","schedule":[{"end":"2028-02-26T02:30Z","end_local":"04:30","hours":10.42,"mean_quality":0.0,"start":"2028-02-25T16:05Z","start_local":"18:05","target":null},{"end":"2028-02-26T04:05Z","end_local":"06:05","hours":1.58,"mean_quality":0.54,"start":"2028-02-26T02:30Z","start_local":"04:30","target":"HD 189733"},{"end":"2028-02-26T05:05Z","end_local":"07:05","hours":1.0,"mean_quality":0.0,"start":"2028-02-26T04:05Z","start_local":"06:05","target":null}],"targets":[{"best_window":{"end":"2028-02-26T03:30Z","end_local":"05:30","hours":0.5,"label":"good","mean_quality":0.72,"start":"2028-02-26T03:00Z","start_local":"05:00"},"dec":22.71085365,"moon_separation":49.0,"name":"HD 189733","quality_hours":0.91,"ra":300.18213726,"resolved":{"dec":22.71085365,"name":"HD 189733","ra":300.18213726,"simbad_url":"https://simbad.cds.unistra.fr/simbad/sim-id?Ident=HD%20189733","source":"sesame","spectral_type":"K2V","type":"BY*","type_text":"BY Draconis variable \u2014 a spotted, rotating star","vmag":7.648},"score":null,"score_astronomy":18,"score_weather":null,"transit":{"airmass":1.06,"alt":71.1,"az":179.9,"t":"2028-02-26T08:00Z"},"verdict":"unknown","weather_known":false,"windows":[{"end":"2028-02-26T02:30Z","end_local":"04:30","hours":10.42,"label":"unusable","mean_quality":0.0,"start":"2028-02-25T16:05Z","start_local":"18:05"},{"end":"2028-02-26T03:00Z","end_local":"05:00","hours":0.5,"label":"marginal","mean_quality":0.5,"start":"2028-02-26T02:30Z","start_local":"04:30"},{"end":"2028-02-26T03:30Z","end_local":"05:30","hours":0.5,"label":"good","mean_quality":0.72,"start":"2028-02-26T03:00Z","start_local":"05:00"},{"end":"2028-02-26T04:05Z","end_local":"06:05","hours":0.58,"label":"marginal","mean_quality":0.41,"start":"2028-02-26T03:30Z","start_local":"05:30"},{"end":"2028-02-26T04:35Z","end_local":"06:35","hours":0.5,"label":"poor","mean_quality":0.13,"start":"2028-02-26T04:05Z","start_local":"06:05"},{"end":"2028-02-26T05:05Z","end_local":"07:05","hours":0.5,"label":"unusable","mean_quality":0.0,"start":"2028-02-26T04:35Z","start_local":"06:35"}]}],"unscheduled":[],"warnings":[]}